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Black Automatic 17.5-in x 9.25-in Plastic Foundation Vent

Master Flow Black Automatic 17.5-in x 9.25-in Plastic Foundation Vent

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Can you install these from outside of the house or do you have to install from within the crawl space?


This vent is to be installed directly in the foundation wall of a home. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.

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